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// |reftest| error:SyntaxError
// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Group reference must have corresponding group.
info: |
It is a Syntax Error if the enclosing Pattern does not contain a
GroupSpecifier with an enclosed RegExpIdentifierName whose StringValue
equals the StringValue of the RegExpIdentifierName of this production's
GroupName.
esid: sec-patterns-static-semantics-early-errors
negative:
phase: parse
type: SyntaxError
features: [regexp-named-groups]
---*/
$DONOTEVALUATE();
/\k<a>(?<b>x)/;